Description

The IS220PTURH1A is a primary turbine specific primary trip pack engineered by GE Energy for the Mark VIe Speedtronic series control systems. This highly voltage-sensitive module functions as a core electrical protection bridge linking turbine control terminal boards directly to either one or two separate Ethernet networks. Internal structural topography houses a central processor board integrated with dual 10/100 Ethernet lines, flash memory, RAM, a read-only identification chip, and a local thermal tracking sensor. The pack interfaces directly with four passive, magnetic speed inputs featuring a broad circuit sensitivity range that enables detection down to a 2-RPM turning gear state to precisely determine zero-speed conditions. The IS220PTURH1A uses the median speed tracking signal to govern speed loop operations and issue primary overspeed trip commands, sending corresponding output streams through a heavy-duty DC-62 pin connector assembly to its companion field terminal block.

Features

• Serves as a dedicated primary turbine emergency overspeed and protection trip pack
• Developed as an A-rated functional product revision to optimize circuit parameter execution
• Provides an electrical network bridge across dual integrated 10/100 communication lines
• Interfaces with four passive magnetic speed inputs to maintain precise rotation monitoring
• Features a sensitive speed-circuit framework capable of registering down to 2-RPM turning gear speeds
• Utilizes the calculated median speed data point for active control loops and primary overspeed tripping
• Houses an internal auxiliary analog acquisition board paired with a turbine-specific control board
• Formulated with a protective black outer casing featuring specialized air circulation cutouts
• Supports complete auto-reconfiguration parameter downloads directly from the host controller

Applications

• Primary turbine overspeed emergency protection loops
• Direct zero-speed turning gear tracking routines
• Critical industrial steam and gas turbine trip circuit management
• Speedtronic-governed heavy automation protection loops

Technical Specifications

Connections/Interfaces

Installation Guidelines

• Board Mechanical Mating: Mount the protection module firmly onto the companion TTURH1C terminal board assembly, ensuring full alignment with the structural Euro-style connection ports.
• Output Linkage: Securely lock the integrated DC-62 pin connector into the corresponding slot on the interface board to establish uninterrupted communication tracking paths.
• Auto-Reconfiguration Setup: Ensure that Auto-Reconfiguration is enabled in the Component Editor within the Toolbox ST application; this allows baseload, bootload, firmware, and tuning parameters to automatically download from the controller.
• Electrical Safety Constraints: Verify field line levels stay within exact specifications, including keeping the direct current power supply source within the strict 27.4 to 28.6 V dc operational boundary.